Industrial AH212101 Hydraulic Cylinder Seal Kit

The AH212101 hydraulic cylinder seal kit is an industrial-grade hydraulic sealing kit for John Deere boom, bucket, tilt, and lift cylinders, designed to prevent fluid leakage and maintain hydraulic pressure during operation. It fits John Deere 444H, 444J, 650G and additional Deere models across wheel loaders, crawler dozers, and backhoes with a 100 mm piston bore. The kit includes T seals, wear bands, O-rings, backup rings, and piston seals, with no rod seals included. Built from industrial-grade polyurethane, rubber, PTFE, and metal sealing components, it supports hydraulic cylinder rebuilds, preventive maintenance, and restoration to sustain pressure retention and contamination prevention; approximate weight is 0.16–0.30 lb.